How can I tell if my 3GS is jailbreakable?

Discussion in 'Jailbreaks and iOS Hacks' started by klamse25, Nov 6, 2009.

  1. klamse25 macrumors 6502a

    klamse25

    Joined:
    Oct 25, 2009
    #1
    I bought it at the Apple store on October 24th.
    I heard that the new 3GS's cannot be jailbroken unless tethered to a computer on boot.
    Is there any way to tell if this applies to mine?
     
  2. Unspoken Demise macrumors 68040

    Unspoken Demise

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    #2
    If its after week 37, then its probably un jailbreakable.

    Do you know how to determine the week it was made?
     
  3. klamse25 thread starter macrumors 6502a

    klamse25

    Joined:
    Oct 25, 2009
    #3
    I actually don't know how... But I would really appreciate it if you could tell me how. :D
     
  4. Unspoken Demise macrumors 68040

    Unspoken Demise

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    #4
    Settings>general>about> check serial numer. You will see 3 number, then the 4th and 5th are the week number.

    So,
    111 _ _ 111111
     
  5. klamse25 thread starter macrumors 6502a

    klamse25

    Joined:
    Oct 25, 2009
    #5
    Thanks,

    I did that and the 4th and 5th numbers are 41.
    So does that mean it's possible? Or not...?
     
  6. dhlizard macrumors G4

    dhlizard

    Joined:
    Mar 16, 2009
    Location:
    The Jailbreak Community
    #6
    Probably gonna be a tethered JB for that phone.

    You have a MacBook, check it yourself.

    1. Connect your 3GS to your Mac and put it into DFU mode.
    2. On your Mac, click the Apple Logo in the upper left corner.
    3. Click About this Mac - More info...
    4. Click Hardware - USB - USB High Speed Bus - Apple Mobile Device (DFU mode)
    5. Look for the iBoot version under the Serial Number.
    6. If the iBoot version is 359.3.2 or higher, you have the new one that can't be JBed.

    To get out of DFU mode, remove phone from cable, just hold down the power and home button until you see the Apple, let go, phone will restart.
     
  7. calvy macrumors 65816

    Joined:
    Sep 17, 2007
    #7
    perhaps I am the one who is misinformed here, but I'm pretty sure you are confusing jailbreaking with unlocking. You can jailbreak it no matter what version of iBoot you have. You can't easily unlock the newest one though, it requires the tethered unlock, which looks like a major PITA to me.
     
  8. dhlizard macrumors G4

    dhlizard

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    #8
    No, it's a tethered jailbreak.

    Once the phone runs out of battery or needs a reboot due to a Cydia app install or a problem, the phone will not restart without being connected via the USB cable to a computer and having Blackra1n run on it again.

    It is a jailbreak.

    Here is a source perhaps some will trust more than me....

    http://www.cultofmac.com/blacksn0w-add-on-for-blackra1n-unlocks-any-iphone-3g-3gs-enables-tethering/20300
    From the 5th paragraph:
    Also, if you purchased an iPhone 3GS or iPod Touch (any capacity) in October or later, there is a high probability that you have a new model. Blackra1n currently performs only a tethered jailbreak for these new devices, which means you need to use blackra1n every time you boot the device, otherwise all your jailbreak data gets wiped.
     
  9. The General macrumors 601

    Joined:
    Jul 7, 2006
    #9
    All iPhones are jailbreakable and all iPhones are unlockable.
     
  10. Vandam500 macrumors 68000

    Vandam500

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    Sep 29, 2008
    #10
    The new 3GS's and 3rd Gen Touch's are tethered jailbreaked
     
  11. jav6454 macrumors P6

    jav6454

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    Nov 14, 2007
    Location:
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    #11
    First 5 numbers of your serial will tell you if you have the old or new Bootroom.

    xxx37 or less means your iPhone is jailbreak friendly. Anything that goes xxx38 to xxx40 has a chance of having the new bootrom. Anything xxx41 and over has the new Bootrom.

    BTW, xxx are first letters/numbers and those 2 digits are the week in which your iPhone was made.
     
  12. jmann macrumors 604

    jmann

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    #12
    I have only heard that the new iPod touch is a tethered jailbreak. Where does it say the 3Gs is?
     
  13. Night Spring macrumors G5

    Night Spring

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    Jul 17, 2008
    #13
  14. Vandam500 macrumors 68000

    Vandam500

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    Sep 29, 2008
    #14
  15. The General macrumors 601

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    Jul 7, 2006
    #15
    Yep, but jailbreakable nonetheless.
     
  16. klamse25 thread starter macrumors 6502a

    klamse25

    Joined:
    Oct 25, 2009
    #16
    But that's a pain! Say I'm on vacation and my phone dies... Wouldn't I need a computer to turn it back on?
     
  17. Laptis macrumors newbie

    Joined:
    Apr 2, 2008
    #17
    Got my 3gs on 11.5.09 from apple store 41 week 359.3
     
  18. dhlizard macrumors G4

    dhlizard

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    The Jailbreak Community
    #18
    Computer, cable and blackra1n
     
  19. Clayne macrumors 6502

    Joined:
    Jul 5, 2008
    #19
    So you need all of that in order to boot a jailbroken iphone that died?

    Is anyone working on a way around this?
     
  20. dhlizard macrumors G4

    dhlizard

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    #20
    Only if it requires a tethered jailbreak.
     
  21. Clayne macrumors 6502

    Joined:
    Jul 5, 2008
    #21
    That's what I meant. But dang, that stinks (for people who want their new iPhone jailbroken).
     
  22. dhlizard macrumors G4

    dhlizard

    Joined:
    Mar 16, 2009
    Location:
    The Jailbreak Community
    #22
    Sell it and buy a gently used one about 2 months old. I just bought two of the nearly new 3GS phones in the last 2 weeks before the supply dries up.

    Both are jailbroken, look like new ones and working at 100% (and have 10 months or warranty left)
     
  23. maconlysource macrumors newbie

    Joined:
    Nov 8, 2009
    Location:
    Dublin, Ireland
    #23
    What about 359.3?

    My boot rom shows 359.3 but nothing after it.

    Can it be jailbroken?
     
  24. dhlizard macrumors G4

    dhlizard

    Joined:
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    #24
    They can all be jailbroken.

    Your phone will do an untethered jailbreak which is best.
     
  25. ste1164 macrumors 6502a

    ste1164

    Joined:
    Jan 4, 2009
    #25
    It is a pain having to plug the phone in the computer and tell it to turn on and off. I bought mine recently and it has the new Boot Rom which is a pain guess i'll just have to wait.
     

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